18986388

素因数分解:

$2^2\times 3^1\times {\mathrm{739}}^1\times {\mathrm{2141}}^1$

素因数の和:2887

約数の個数: 24

約数和(自身を含む): 44382240

約数和(自身を除く): 25395852

約数列:

[1, 2, 3, 4, 6, 12, 739, 1478, 2141, 2217, 2956, 4282, 4434, 6423, 8564, 8868, 12846, 25692, 1582199, 3164398, 4746597, 6328796, 9493194, 18986388]

約数ペア:

[(1, 18986388), (2, 9493194), (3, 6328796), (4, 4746597), (6, 3164398), (12, 1582199), (739, 25692), (1478, 12846), (2141, 8868), (2217, 8564), (2956, 6423), (4282, 4434)]